P(Face card) =16/52 = 4/13
P(Spade) = 13/52 =1/4
P(Face ∪ Spade) = 4/13 + 1/4 = 29/52 = 0.557
Answer:
x=1 and x= -2.5
Step-by-step explanation:
✯Hello✯
The quadratic formula is x=-b+-(sqrt)b^2-4ac/2a
A = 2
B= 3
C = -5
PLUG THESE VALUES INTO THE QUADRATIC FORMULA
we can see that x=1 and x= -2.5
❤Gianna❤
Answer:
-3
Step-by-step explanation:
1.5x + 1.3x = -8.4
2.8x = -8.4
x=-3